Other
Help With Fractions: Finding the Least Common Multiple
This website gives an excellent explanation of how to find the least common multiple. It offers two different methods and gives easy to follow step by step directions.
University of Waterloo (Canada)
University of Waterloo: Cemc: Math Circles: Number Theory Ii [Pdf]
This worksheet provides a series of problem-solving questions that require higher order thinking skills. Questions will include finding the greatest common divisor, and least common multiple.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Adding Multiples
This task will provide insight to teachers on students' level of understanding when reasoning about a problem. The task asks students to examine whether the sum of two numbers that are multiples of 6 produces another multiple of 6....
Math Slice
Math Slice: Least Common Multiple: Math Worksheets
This tool allows you to create worksheets where students must find the lowest common factor in a set of two to four whole numbers.
Cool Math
Coolmath: Gcf's and Lcm's Least Common Multiple
These prealgebra-arithmetic lessons explains greatest common factors (GCF's) and least common multiples (LCM's) and shows how to find them.
Elias Saab
Math Drills: Lcm and Gcd Quiz
An interactive quiz which provides students with two numbers and asks them to find either the Least Common Multiple or the Greatest Common Divisor between them. Students input their solution and have the program evaluate it. Hints are...
AAA Math
Aaa Math: Least Common Multiple
This tutorial offers an explanation of least common multiples, practice finding them and a game to play. There is a lot of information available at this location.
Discovery Education
Discovery Education: Web Math: Find the Least Common Multiple of Some Numbers
Use this site to find the Least Common Multiple (LCM) of any set of numbers. Simply type in your numbers, and the site will provide the answer complete with a full explanation.
Illustrative Mathematics
Illustrative Mathematics: Picturing Factors in Different Orders
The purpose of this task is to help learners picture the multiplicative structure of the number 30 in different ways. Some of this structure is easier to communicate using grouping symbols, as it is easier to interpret...
Doina Popovici
Math Play: Factors and Multiples Game
A jeopardy style game that students can play with others or alone to practice their skills at identifying multiples and factors.
Teaching Treasures Publications
Teaching Treasures: Year Eight Nine Math (Page 1)
Review a variety of number sense skills using this interactive worksheet. Concepts include greatest common factor, lowest common multiple, rounding to the nearest thousandth, and determining percent. Answers can be checked immediately...
Khan Academy
Khan Academy: Least Common Multiple
In this exercise, students practice finding least common multiple. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
PBS
Pbs Learning Media: Pizza Toppings
This Cyberchase video features Bianca who uses Venn Diagrams to make a pizza that satisfies the topping preferences of her friends.
University of Vienna (Austria)
University of Vienna: Elementary Properties of Numbers
Quick interactive assessment which determines skill level on fraction equivalence, prime factorization, and common divisors/multiples.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Better Lesson
Better Lesson: Lcm Stations Activity
Learning about factors and multiples allows students to see number relationships and apply those number relationships to multiplication and division.
Math Planet
Math Planet: Finding the Least Common Multiple
Gain an understanding of the least common multiple by viewing an example and a video lesson.
Khan Academy
Khan Academy: Factors & Divisibility
Students practice multiple-choice problems with factors and divisibility.
Illustrative Mathematics
Illustrative Mathematics: 4.oa the Locker Game
The purpose of this instructional task is for students to deepen their understanding of factors and multiples of whole numbers. Aligns with 4.OA.B.4.
Math Aids
Math Aids: Factors Worksheets
Great resource for learning and practicing fractions and their different operations. Math worksheets are printable, may be customized, and include answer keys.
Purple Math
Purplemath: Algebra Resources
Purplemath contains about 40 different lessons on various algebra topics. The lessons are divided into five different sections: preliminary topics, beginning algebra, intermediate algebra, advanced algebra, and word problems. The lessons...
Curated OER
36 = 2 * 2 * 3 * 3
A complete lesson on Greatest Common Factors, including methods of finding, examples, and a practice multiple-choice quiz.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Factoring
The interactive quiz demonstrates knowledge of concepts used in Algebra I. The multiple choice questions assess students on factoring polynomials.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Arithmetic Operations Including Dividing by a Fraction
A guide to support parents as they work with their students with arithmetic operations including dividing by a fraction.